Dr. Scholl's Odour Destroyers Super Sport Insoles is the best odour fighter for sport shoes and sneakers and is laboratory proven. It has high endurance odour protection, absorbs sweat and therefore keeps shoes fresh and dry all day. It also absorbs shock and cushions. The activated charcoal and baking soda layer effectively absorbs and neutralizes unpleasant odours and the antibacterial agent prevents the growth of odour-causing bacteria in the insole.